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Grid Creation Strategies for Efficient Ray Tracing
https://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4342587
Grid Creation Strategies for Efficient Ray Tracing
https://www.sci.utah.edu/~thiago/papers/rgrid.pdf
when ray tracing a well-behaved model with N geometric primi-tives, the lowest ray tracing times using a grid acceleration struc-ture occurs when the grid has O(N) cells. This paper extends the theoretical analysis in two ways and then experimentally verifies that analysis for several geometric models. The first extension is
Grid Creation Strategies for Efficient Ray Tracing
https://www.sci.utah.edu/~thiago/papers/rgrid_slides.pdf
•We use the standard 3D uniform grid for ray tracing (examples are in 2D for simplicity) •Use cubical shaped cells •Choose number of cells in each dimension according to: d is the diagonal of the object (length) Nis number of triangles (primitives) kis a user supplied parameter nx= d x3 ! kN d xd yd z ny= d y3 ! kN d xd yd z nz= d z3 ! kN dd xd yd
Grid Creation Strategies for Efficient Ray Tracing
https://www.researchgate.net/publication/4278646_Grid_Creation_Strategies_for_Efficient_Ray_Tracing
Request PDF | Grid Creation Strategies for Efficient Ray Tracing | Both theoretical analysis and practical experience have shown that when ray tracing a well-behaved model with N geometric ...
ABSTRACT Grid Creation Strategies for Efficient Ray …
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.120.1889
efficient ray tracing top level abstract grid creation strategy super-linear memory usage theoretical analysis grid acceleration structure compact triangle particular interest second extension nested grid several geometric model first extension thin primitive tesselated manifold trace time grid cell long thin primitive model characteristic well-behaved model geometric …
Grid Creation Strategies for Efficient Ray Tracing - INFONA
https://www.infona.pl/resource/bwmeta1.element.ieee-art-000004342587
Both theoretical analysis and practical experience have shown that when ray tracing a well-behaved model with N geometric primitives, the lowest ray tracing times using a grid acceleration structure occurs when the grid has 0(N) cells. This paper extends the theoretical analysis in two ways and then experimentally verifies that analysis for several geometric models. The first …
Notes on efficient ray tracing - Stanford University
https://graphics.stanford.edu/~boulos/papers/efficient_notes.pdf
into smaller boxes. When a ray hits your grid, you iteratively traverse your grid using a 3D-DDA algorithm (Woo 87). Grid traversal has been covered in great detail, and the basic thing to remember to do is to avoid recomputing anything you don’t need to during the inner most loop. Grid construction has also been
Time and Space Efficient Grids for Ray Tracing
https://www.researchgate.net/publication/242682364_Time_and_Space_Efficient_Grids_for_Ray_Tracing
The focus of research in acceleration structures for ray tracing recently shifted from render time to time to image, the sum of build time and render time, and also the memory footprint of ...
An efficient ray tracing method for propagation prediction …
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2017RS006275
Acceleration methods have been proposed for efficient ray tracing. Fast ray tracing is achieved using two techniques [ Iskander and Yun, 2002 ]. First, the number of objects on which ray-object intersection tests need be performed must be reduced. Second, the ray-object intersection test must be accelerated.
Accurate and efficient GPU ray‐casting ... - Wiley Online …
https://onlinelibrary.wiley.com/doi/full/10.4218/etrij.2019-0185
Ray-casting is the most popular algorithm for DVR (hereafter referred to as “volume rendering”) due to its generality and accuracy. For a uniform grid with a regular structure, ray-casting is relatively simple to implement, and various acceleration techniques have been well studied, including parallel algorithms using multi-core CPUs or GPUs 1.
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